Drywall cracking at ceiling

Close-up view of a hairline crack in a white drywall ceiling at the seam with a wall.
Photo: Krakograff Textures / Pexels
Assortment of drywall repair tools including joint compound, taping knife, and mesh tape.
Photo: Valentin Ivantsov / Pexels

Watch: Repairing Drywall Ceiling Cracks

How to Repair a Cracked Drywall Ceiling | This Old House via This Old House

How to Repair a Cracked Drywall Ceiling | This Old House via This Old House

Causes of Drywall Ceiling Cracks

Drywall ceilings can develop cracks due to several factors. These may include structural movement within the building, which can cause stress on the drywall panels and their joints.

Improper installation techniques can also lead to cracking. This includes issues with how the drywall sheets are hung, taped, and finished, as well as the type of fasteners used.

Structural and Environmental Factors

Changes in temperature and humidity can cause materials to expand and contract, potentially leading to drywall cracks. Seasonal shifts or inadequate ventilation can exacerbate these effects.

Settling of the building's foundation or framing over time is another common cause. This gradual shift can put pressure on the ceiling, resulting in visible fractures.

Installation and Material Considerations

The Association of the Wall and Ceiling Industry (AWCI) provides resources on drywall finishing systems. Proper finishing is crucial for preventing cracks at joints and corners.

Issues such as insufficient joint reinforcement, incorrect fastener spacing, or the use of inappropriate materials can contribute to the development of cracks. Ensuring the correct installation of gypsum panels is key to a durable ceiling.

Addressing Drywall Cracks

Repairing drywall cracks often involves preparing the area, applying joint compound, and finishing the surface. For more significant issues, understanding the underlying cause is important.

For projects involving drywall installation and finishing, utilizing a drywall calculator can assist in estimating material needs. This helps ensure adequate supplies for a proper and lasting installation.

Key takeaways

  • Structural movement and environmental changes are significant contributors to drywall ceiling cracks.
  • Correct installation and finishing techniques are essential for preventing cracks.
  • Properly estimating materials with tools like a drywall calculator can aid in successful installations.

Related tools

Estimate materials with our drywall calculator on DrywallCalcs.

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